Is there an explainer or a motivating example anywhere?

Best,

Alex

On Thursday, June 19, 2025 at 9:24:22 AM UTC-7 Chromestatus wrote:

> Contact emails fla...@chromium.org 
>
> Explainer None 
>
> Specification 
> https://drafts.csswg.org/cssom-view/#dom-scrollintoviewoptions-container 
>
> Summary 
>
> The ScrollIntoViewOptions container option allows developers to perform a 
> scrollIntoView only scrolling the nearest ancestor scroll container. For 
> example, the following snippet only scrolls the scroll container of target 
> to bring target into view, but will not scroll all of the scroll containers 
> to the viewport: target.scrollIntoView({container: 'nearest'});
>
>
> Blink component Blink>Scroll 
> <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EScroll%22>
>  
>
> TAG review https://github.com/w3ctag/design-reviews/issues/1105 
>
> TAG review status Pending 
>
> Risks 
>
>
> Interoperability and Compatibility 
>
> None
>
>
> *Gecko*: No signal (
> https://github.com/mozilla/standards-positions/issues/1237) 
>
> *WebKit*: No signal (
> https://github.com/WebKit/standards-positions/issues/502) 
>
> *Web developers*: No signals 
>
> *Other signals*: 
>
> Ergonomics 
>
> None that I can think of.
>
>
> Activation 
>
> It's possible to just use this feature as a progressive enhancement though 
> I expect in practice most developers will want to polyfill falling back to 
> scrollTo on non-supporting browsers. Detection of the feature can be done 
> in Javascript by doing a test scrollIntoView, and if done in a position: 
> fixed descendant should prevent highjacking the user's scroll.
>
>
> WebView application risks 
>
> Does this intent deprecate or change behavior of existing APIs, such that 
> it has potentially high risk for Android WebView-based applications?
>
> None
>
>
> Debuggability 
>
> None
>
>
> Will this feature be supported on all six Blink platforms (Windows, Mac, 
> Linux, ChromeOS, Android, and Android WebView)? Yes 
>
> Is this feature fully tested by web-platform-tests 
> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
> ? Yes 
>
>
> https://wpt.fyi/results/css/cssom-view/scrollIntoView-container.html?label=experimental&label=master&aligned
>
>
> Flag name on about://flags Experimental web platform features 
>
> Finch feature name ScrollIntoViewNearest 
>
> Rollout plan Will ship enabled for all users 
>
> Requires code in //chrome? False 
>
> Measurement Measured as web feature ScrollIntoViewContainerNearest 
>
> Sample links 
> https://output.jsbin.com/rihozik 
>
> Estimated milestones 
> Shipping on desktop 140 
> DevTrial on desktop 138 
> Shipping on Android 140 
> DevTrial on Android 138 
> Shipping on WebView 140 
>
> Anticipated spec changes 
>
> Open questions about a feature may be a source of future web compat or 
> interop issues. Please list open issues (e.g. links to known github issues 
> in the project for the feature specification) whose resolution may 
> introduce web compat/interop risk (e.g., changing to naming or structure of 
> the API in a non-backward-compatible way).
> In https://github.com/w3c/csswg-drafts/issues/9452 there was 
> consideration of passing an element to contain the scroll to. As discussed 
> in https://github.com/w3c/csswg-drafts/issues/9452#issuecomment-2607879021 
> we think this is easily added in a backwards compatible way if there is a 
> need for it. 
>
> Link to entry on the Chrome Platform Status 
> https://chromestatus.com/feature/5100036528275456?gate=5140738792488960 
>
> Links to previous Intent discussions Intent to Prototype: 
> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/67ab83a2.2b0a0220.2eae12.088a.GAE%40google.com
>  
>
>
> This intent message was generated by Chrome Platform Status 
> <https://chromestatus.com>. 
>

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